# Whisker vs TRAPP Diffuser

The clearest difference is update cadence: Whisker at every 3 weeks against TRAPP Diffuser's every 12 months. TRAPP Diffuser's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Whisker ships an update every 3 weeks, TRAPP Diffuser every 12 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Whisker | TRAPP Diffuser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (147K ratings)](https://appshunter.io/ios/app/whisker/id1475805212/reviews)** | — |
| Number of ratings | **147K** | — |
| Positive reviews | 52.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 175 MB | 173 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Automated Pet Care Products Inc. dba AutoPets](https://appshunter.io/developer/1240404533) | [Dongguan Yih-Teh Electric Products Co., Ltd.](https://appshunter.io/developer/1604523226) |

## What reviewers say

### Whisker

[App page](https://appshunter.io/ios/app/whisker/id1475805212)

Remotely monitor and control your WiFi-enabled pet devices, including litter boxes and feeders. Receive real-time alerts, track usage insights, and manage schedules from anywhere. Enhance your pet care routine with smart technology.

**Highlights:** Real-time alerts for device status, Remote control of device functions, Usage insights and trend tracking, Flexible feeding schedules, Multi-robot management, On-demand pet treat dispensing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient, hassle-free
- 👍 Keeps litter box clean and odor-free
- 💡 Tracks cat usage and weight
- 🚀 Saves time and effort

**What reviewers complain about**

- 🐛 Frequent false 'drawer full' notifications
- 🐛 Connectivity issues with app
- 🐛 Sensor malfunctions and interrupted cycles
- 🔋 Drains phone battery with constant notifications

**Reported bugs**

- App frequently disconnects from litter box
- App fails to properly register litter box
- Litter box gets stuck in cleaning cycle

**Requested features**

- Customizable cleaning cycle settings
- Ability to identify which cat used the litter box
- Improved app stability and responsiveness
- Better integration with smart home devices


### TRAPP Diffuser

[App page](https://appshunter.io/ios/app/trapp-diffuser/id1604523223)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whisker free?

Whisker is free to download, with no in-app purchases.

### Is TRAPP Diffuser free?

TRAPP Diffuser is free to download, with no in-app purchases.

### Do Whisker or TRAPP Diffuser have ads?

Neither Whisker nor TRAPP Diffuser shows ads.

### Which is updated more often, Whisker or TRAPP Diffuser?

Whisker ships an update every 3 weeks, and TRAPP Diffuser every 12 months. Most recently, Whisker was updated on October 13, 2026 and TRAPP Diffuser on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*